Hex File Viewer: Read Data Byte by Byte
When text tools hide the truth, a hex dump shows it. Sixteen bytes a row, hex on the left, readable text on the right.
What is the Hex File Viewer?
A hex dump shows data the way a machine sees it: sixteen bytes per row, each byte in hexadecimal, with a readable ASCII column alongside. Type text to see its dump instantly, or choose a file in the browser to inspect its opening bytes the same way. Non-printable bytes appear as dots, so structure and readable strings stand out together.
How to use it
- Type text to dump, or choose a file in the browser.
- Click Show Hex Dump.
- Read each row as offset, hex bytes, then ASCII.
- Look for readable strings in the ASCII column.
Worked example
Dumping Hello gives the row 00000000 with bytes 48 65 6c 6c 6f and Hello alongside.
What does Hello look like in hex?
It is 48 65 6c 6c 6f, one byte per letter, shown on a single dump row with Hello in the ASCII column.
Frequently asked questions
Why are some ASCII characters shown as dots?
Bytes outside the printable range have no readable character, so a dot stands in for each one.
How many bytes are on each row?
Sixteen, which is the classic hex-dump width and keeps offsets easy to follow.